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Customer Questions & Answers for
Everstart EverStart Maxx Group Size 29 Marine Battery

When it comes to powering your boat, move with purpose with this EverStart Maxx Group Size 29 Marine Battery. Specifically designed for use on a trolling motor, it provides long-lasting power, allowing you to enjoy more time on the water. This EverStart Marine Battery boasts 30 percent more cycling capability than standard marine batteries. More cycling allows you to run accessories and electronics even while the engine is shut off. Whether you are fishing or cruising the river, this battery is sure to make an efficient and practical addition to your boat.
Customer Questions & Answers:
240 Questions
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297 Answers
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Product Details

Questions & Answers for Everstart EverStart Maxx Group Size 29 Marine Battery

Question

Price, Reserve and Warranty

What is the price? How much is the reserve capacity and what are the details on the warranty? Strangely none of this is mentioned in the specs. thanks, Jtech
asked 2 years, 8 months ago
By
Jamestec
 - Sallisaw
on EverStart Maxx Group Size 29 Marine Battery
2 answers
Answers
answer 1
Go to the INTERSTATE BATTERY WEBSITE another Johnson Controls purchaser. Specs are close enough for horseshoes or hand grenades.
answered 2 years, 8 months ago
By
elcodo
 - MEXICO the country not the state
answer 2
$95.64

24 Month warranty

114 AH

Heavier than the Selection Number 95, so may be heavier duty.
answered 2 years, 8 months ago
By
noisome
Question

What is the Amp Hour rating of this battery?

asked 2 years, 7 months ago
By
Rick323
on EverStart Maxx Group Size 29 Marine Battery
5 answers
Answers
answer 1
What mandm1200 said is right on target. But the problem with the amp hour rating on this battery (I saw it in the store today - 114 amp hours @ 1 amp rate) is determining the amp hour capacity at the 1 amp rate is highly deceptive. Most deep cycle batteries I've ever seen were rated at the 20 hour rate - which would produce a number much smaller than 114 if it were run on this battery. At 1 amp of load this battery should last 114 hours until the battery is down to 10.5 volts (that's what that rating means). But who discharges their deep cycle battery at 1 amp per hour? Nobody I know. And using a different methodology to determine amp hour rating means you cannot compare it with another battery that had its capacity determined by the 20 hour rate. It's not a level playing field. If the amp hour capacity of this battery had been determined using the 20 hour rate it would have had to have been discharged at probably somewhere between 5 and 6 amps, not one. And that would have produced a lower amp hour number, probably in the mid 90s somewhere. So beware, for all practical purposes this is not a 114 amp hour battery unless you really are going to discharge it at 1 amp (that's less than the power it takes to run one of those little incandescent RV light bulbs).
answered 2 weeks, 4 days ago
By
simplygib
answer 2
That battery has a 114 amp hour rating.
answered 6 months ago
By
EverstartExpert
answer 3
Looking at the spec sheet, which there is none, it's not possible at answer your question. Most manufactures will state Amp/hours for a 20hr period of discharge time. As the load/current is increased it will decrease the time it takes to reach 10.5 volts which is considered a dead battery. That is common sense; the more you drain it the faster is dies. What is important to know is how this affects the amp/hour rating. A battery that is discharge over a 2 hour period may have a rating of only 68 amp/hours. That same battery discharged over the normal/standard 20 hour period of time may have an amp/hour rating of 100. If left to discharge slowly over a 100 hour period of time it amp/hours may be 118. So when a manufacture states an amp/hour, they should also state the time period of discharge. Brand name batteries usally have a spec sheet list the various amp/hours versus the time period. Doing it that way gives the consumer something to compare when buying a battery.
answered 2 years, 4 months ago
By
mandm1200
 - Pa
answer 4
I agree with Iminadaze, in the store today (5/11/2012) this battery is now rated at 114aH @ 1A. The date of manufacture was 3/12.
Previous answers had this at 125aH.
answered 2 years, 7 months ago
By
ScubaPete
 - Yorktown, VA
answer 5
The Battery is Rated @ 114 Amp Hours
answered 2 years, 7 months ago
By
Iminadaze
 - Windsor Locks, CT.
Question

GEL Battery or Not? Battery Tender?

I am trying to determine which "Battery Tender" or "Floater" product to buy and I cannot determine if this new battery is a GEL battery or not.

I can not determine if this battery is even a real "Deep Cycling" battery or not?

Any recommendations?
asked 2 years, 7 months ago
By
harrymike
 - USA
on EverStart Maxx Group Size 29 Marine Battery
4 answers
Answers
answer 1
This is a flooded-cell, deep cycle battery. It is not a GEL.
answered 2 years, 1 month ago
By
Roadslack
 - Illinois
answer 2
This battery is not a Gel Cell battery. It's a "flooded lead acid" battery. This battery type generally falls into two classes: "starting" and "deep cycle".

The difference between the two is the construction of the lead plates. The amount of amps that can be pulled is proportional to the surface area of those plates. On a starting battery, many holes are put into the plates to increase surface area (and cranking amps). A deep cycle battery has solid plates without holes.

When a lead acid battery discharges, lead sulfate collects on those plates. The deeper the discharge, the more lead sulfate. The solid plates in a deep cycle battery can handle a lot of that lead sulfate buildup and then shed it all off when recharged. When a starting battery does a deep discharge, the lead sulfate can plug up those holes permanently. That reduces its ability to take a charge and to provide high current, like starting an engine.

This battery, and any labeled Marine, RV, or Group 24, Group 27, or Group 29 are all the deep cycle type.
answered 2 years, 2 months ago
By
an anonymous customer
 - Bakersfield CA
answer 3
This is a Sealed Lead Acid battery. That means it is a wet cell battery, not a gel battery. You won't touch a gel battery for this price.
As far as I know, the only TRUE deep cycling batteries are 6V types, as used in golf carts or personal mobility devices. However, as far as this type of battery goes, it will handle repeated deep cyclings.
It has 122 Amp Hours of reserve power.
answered 2 years, 7 months ago
By
ReaderOfEyes
answer 4
Its a flooded battery. This is closer to a dual-type battery, mix between starting and deep-cycle.

Product to buy to charge your battery is up to you.. The more you spend the better. Battery desulfating or "pulse" charger is best.
answered 2 years, 7 months ago
By
noisome
Question

My Schumacher ship n shore speed charger has AGM, standard and GEL settings. Which should I usefor the everstart maxx 29?

asked 2 years, 5 months ago
By
Jamesalex
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
This is a flooded-cell (standard) deep cycle battery. Use your standard setting.
answered 2 years, 1 month ago
By
Roadslack
 - Illinois
answer 2
The MAXX and Everstarts are lead-acid (standard) batteries. Using the gel setting will damage the battery and may also cause other damage as well.
answered 2 years, 3 months ago
By
greene162
 - Seattle
answer 3
This is a lead-acid battery so you should use "standard". Be careful with speed charges since they usually do not regulate the voltage as the battery charges and you can cook out the acid inside. Best to use a trickle charge maintainer or a regulated charger which ramps up the voltage as the battery charges. Your speed charger may regulate however. Depends on the model.
answered 2 years, 4 months ago
By
JJEEFF
Question

I just bought a Maxx EverStart 29DC Charging Question

I just bought the Maxx EverStart Marine battery 29DC. I have a charger that charges both Deep Cycle and Maintenance Free batteries... The labelling on the Maxx says it's both Deep Cycle AND Maintenance Free.. which setting should I use and does it make a difference in that I could damage the battery if I use the wrong setting? Thank you, Ed
asked 2 years, 7 months ago
By
Ba55ma5ter
 - New Jersey
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
While the battery says that it is maintenance free this is not a sealed lead acid battery, you do need to monitor the electrolyte levels. If the level is below the bottom of the plastic column in each cell, add sufficient distilled water (DO NOT USE TAP WATER) to bring the level up. Use the deep cycle setting on your charger.

Tap water will ruin your battery.
answered 2 years, 1 month ago
By
Roadslack
 - Illinois
answer 2
If I am not mistaken, a sealed
( Maintenance-Free ) battery requires a slower charging rate than a vented battery; regardless of whether it is a deep-cycle or not.
However, if I were you, I'd call the store where you bought the battery and ask one of their automotive techs which setting you should use for the charger.
answered 2 years, 7 months ago
By
ReaderOfEyes
answer 3
This Battery is a Maintenance Free Battery with Deep Cycle capabilities. This is not a true deep cycle battery. The Price tag makes this battery a good choice, I have three of them, One is 3 years old and is going strong like the two new ones I recenly purchased.

Use the deep cycle setting to fully charge the battery. The Maintenance free setting may not get it to 100%.
answered 2 years, 7 months ago
By
Iminadaze
 - Windsor Locks, CT.
Question

Is there a everstat maxx 27 DC marine battery.

asked 2 years, 8 months ago
By
an anonymous customer
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
No, the Maxx is in the 24 and 29 only.
answered 6 months ago
By
EverstartExpert
answer 2
Yes
answered 2 years, 1 month ago
By
Roadslack
 - Illinois
answer 3
No. There is however a MAXX group 29 marine.
answered 2 years, 3 months ago
By
greene162
 - Seattle
Question

After the 24 month free replacement period, is there an additional prorated warranty period?

asked 2 years, 7 months ago
By
Rick323
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
There is not a proration program on that battery.
answered 6 months ago
By
EverstartExpert
answer 2
No.
answered 2 years, 2 months ago
By
OldRock
 - New Hampshire
answer 3
The sales people where I purchased mine told me there is no prorated warranty. The free replacement period warranty is all you get.
answered 2 years, 4 months ago
By
an anonymous customer
 - NC
Question

Is there a core charge on this battery?

asked 2 years, 1 month ago
By
Candy
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
Good morning. There is a $12 core fee charge when you buy a new battery if you do not bring in an old lead acid battery to exchange. If you bring in an old lead acid battery there is not a charge.
answered 6 months ago
By
EverstartExpert
answer 2
There is a core charge on any Automotive or Marine battery. The good thing is, the old battery does not have to be the same type as the one you are buying. I bought the Group Size 29DC Marine battery at one WalMart store and payed the core charge. The next day I took an old dead riding mower battery to a different WalMart store, along with my receipt for the core charge, and they gave me back my core charge. I had to buy the Marine battery at a different WalMart because my local store didn't have the Marine battery I wanted.
answered 1 year, 9 months ago
By
ReaderOfEyes
answer 3
Yes unless you have an old battery to exchange. My local Walmart charged $9 for the core charge.
answered 2 years, 1 month ago
By
Roadslack
 - Illinois
Question

Can I use this battery for solar power? If so, how many solar panel watts are needed to fully charge the battery?

asked 1 year, 11 months ago
By
JP
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
This battery is stated by others to be manufactured by Johnson Controls(JC) and to be an AGM constructed battery. JC is a large and reputable manufacturer and AGM technology is (one of) the preferred ones for solar and other RE applications. If the above apply and you get a good charge controller/charger with the typical more sophisticated charging algorithms of RE systems, and do not let it overheat (RE chargers usually come with a battery temperature monitor), I would think it should serve you well. Even if I does wear out faster then the more expensive RE batteries on the market, since they cost 2.5X more, you may come out ahead. Since there is a Walmart near my house, I plan to use these with the solar system I install this spring for the above reasons. Solar installers always advise not to skimp on batteries, but with the stated specs this option looks like a winner to me, especially if you are installing a grid-tied with battery backup system where the batteries will be maintained at full charge most of the time with your chargers "trickle charge" cycle, and only deep-cycled at times the grid is down. I would think these also a good choice for off-grid applications, but you should probably get at least 4 for a 24V system and 8 for a 48V system for a typical home system (all depending on the amount of backup needed and the size of your array for charging - remember the number of cycles you get will be related to the depth of discharge, & for the 24V & 48V systems above you will get around 531 and 1062 VAHrs of power over a 20hr period respectively without exceeding the batteries specs without recharging). When the sun is shining you can add your PV output to that. You also lose power from inefficiencies in charging and power factor corrections for your systems use, so kWHrs is always less than VAap (the numbers above).
How many solar panels you need depends on the energy demands of your loads, but with full direct sun 6 X 250W panels (small for a home system) would probably recharge the above use in an hour-plus, allowing for losses in conversion and power factor correction. In a day, you'd have 3 hours to spare with optimal conditions.
Hope this helps.
answered 1 year, 9 months ago
By
BudOx
answer 2
You would want the Deep Cycle version of this battery ( Group Size 29DC ). The wattage of your solar panel(s) just determine how long it will take to recharge a battery based on the level of discharge and total Ah rating of the battery, hours of direct and indirect sunlight available etc. As long as your panels are 12 Volt panels and receive good sunlight, they will recharge a 12V battery. However, the higher the wattage of your solar panel(s), the more quickly the battery will be recharged. Also remember that direct sunlight allows the panel(s) to produce higher power output than indirect or low sunlight conditions.
Hope this helps you out.
answered 1 year, 9 months ago
By
ReaderOfEyes
answer 3
Good morning. I do not have any information on this and I cannot recommend you use the battery for anything other than what it is designed for. That battery,in a Marine fitment, is a deep cycle battery that is good for starting, trolling, and RV if that will help you.
answered 1 year, 11 months ago
By
EverstartExpert
Question

does this have 115 AH?

asked 7 months ago
By
nick
on EverStart Maxx Group Size 29 Marine Battery
3 answers
Answers
answer 1
Not Close!
It list 114 AH on the battery, but if you read the fine print is says @ 1 AH.

I very much doubt that it would have delivered 1 amp for 114 hours, but I did not have the time to run this test.

Instead, I ran the industry standard test at about 5% load. For 114 amp hours, this comes out to 5.7 amps. I cut them some slack and let it rest a few times and toward the end lowered the drain to 2.8 amps and then down to 1.8 amps. The whole test lasted 17 hours.

Final amp hour total was 71.73.

If you really need 115 AH, you will not be happy with this battery.

If you can find it at a local store, get the DieHard #27582, it is rated at 115 AH and they use industry standard rating methods.
answered 7 months ago
By
WalmartKen
answer 2
This has 114 AH.
answered 7 months ago
By
CommunityAnswer
answer 3
Good morning. That battery is rated at 114 amp hours.
answered 7 months ago
By
EverstartExpert
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